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// Author(s): Muck van Weerdenburg
// Copyright: see the accompanying file COPYING or copy at
// https://svn.win.tue.nl/trac/MCRL2/browser/trunk/COPYING
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
/// \file liblts_fsm.cpp
#include <string>
#include <fstream>
#include "mcrl2/core/print.h"
#include "mcrl2/lps/typecheck.h"
#include "mcrl2/data/typecheck.h"
#include "mcrl2/data/data_specification.h"
#include "mcrl2/lps/specification.h"
#include "mcrl2/lts/lts_io.h"
#include "mcrl2/lts/parse.h"
#include "liblts_fsmparser.h"
using namespace mcrl2::core;
using namespace mcrl2::lts;
using namespace mcrl2::lts::detail;
using namespace mcrl2::log;
static void write_to_fsm(std::ostream& os, const lts_fsm_t& l)
{
// determine number of state parameters
size_t num_params;
num_params=l.process_parameters().size();
// print parameters with used values
mCRL2log(verbose) << "writing parameter table..." << std::endl;
for (size_t i=0; i<num_params; i++)
{
const std::vector < std::string > vals = l.state_element_values(i);
os << l.process_parameter(i).first << "(" << vals.size() << ") " << l.process_parameter(i).second << " ";
for (std::vector < std::string >::const_iterator j=vals.begin(); j!=vals.end(); ++j)
{
os << " \"" << *j << "\"";
}
os << std::endl;
}
// print states
mCRL2log(verbose) << "writing states..." << std::endl;
os << "---" << std::endl;
for (size_t i=0; i<l.num_states(); i++)
{
size_t idx = i;
// make sure that the initial state is first
if (i == 0)
{
idx = l.initial_state();
}
else if (i == l.initial_state())
{
idx = 0;
}
if (l.has_state_info())
{
const state_label_fsm state_pars=l.state_label(idx);
for (size_t j=0; j<state_pars.size() ; j++)
{
if (j > 0)
{
os << " ";
}
os << state_pars[j];
}
os << std::endl;
}
}
// print transitions
mCRL2log(verbose) << "writing transitions..." << std::endl;
os << "---" << std::endl;
const std::vector<transition> &trans=l.get_transitions();
for (std::vector<transition>::const_iterator t=trans.begin(); t!=trans.end(); ++t)
{
transition::size_type from = t->from();
// correct state numbering
if (from == 0)
{
from = l.initial_state();
}
else if (from == l.initial_state())
{
from = 0;
}
transition::size_type to = t->to();
if (to == 0)
{
to = l.initial_state();
}
else if (to == l.initial_state())
{
to = 0;
}
// correct state numbering
os << from+1 << " " << to+1 << " \"";
os << mcrl2::lts::detail::pp(l.action_label(t->label()));
os << "\"" << std::endl;
}
}
void mcrl2::lts::lts_fsm_t::load(const std::string& filename)
{
if (filename.empty())
{
if (!parse_fsm(std::cin,*this))
{
throw mcrl2::runtime_error("Error parsing .fsm file from standard input.");
}
}
else
{
std::ifstream is(filename.c_str());
if (!is.is_open())
{
throw mcrl2::runtime_error("Cannot open .fsm file " + filename + ".");
}
if (!parse_fsm(is,*this))
{
throw mcrl2::runtime_error("Error parsing .fsm file");
}
is.close();
}
if (num_states()==0)
{
add_state();
}
set_initial_state(0);
}
void mcrl2::lts::lts_fsm_t::loadnew(const std::string& filename)
{
if (filename.empty())
{
parse_fsm_specification(std::cin, *this);
}
else
{
std::ifstream in(filename.c_str());
if (!in)
{
throw mcrl2::runtime_error("Cannot open .fsm file " + filename + ".");
}
parse_fsm_specification(in, *this);
}
if (num_states() == 0)
{
add_state();
}
set_initial_state(0);
}
void mcrl2::lts::lts_fsm_t::save(const std::string& filename) const
{
if (filename=="")
{
write_to_fsm(std::cout,*this);
}
else
{
std::ofstream os(filename.c_str());
if (!os.is_open())
{
throw mcrl2::runtime_error("Cannot create .fsm file '" + filename + ".");
return;
}
write_to_fsm(os,*this);
os.close();
}
}
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